The Address book window is accessed from the Address book item on the dock menu. It provides access to a company-shared address book.

Search text: Enter the text to search for within the contacts. Leave this blank to show every contact.
Search button: Click on this button to begin the search.
New contact button: Click this button to add a new contact record to the shared Address Book.
Search results: Click on the telephone number of a contact to dial them, or click on their name to edit or view their contact details.